# What does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use? Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP (gdlsk.com) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-11-02). - Industry: Legal Services - Size: 51–200 employees - Based in: New York, United States - Founded: 1985 - LinkedIn: https://www.linkedin.com/company/gdlsk-llp ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | Hosting & Cloud | DNS verification records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [Elementor](https://www.runsonwhat.com/reverse/elementor) | Website & CMS | Website code | | | [Dealfront](https://www.runsonwhat.com/reverse/leadfeeder) | Sales & CRM | Website code | | | [HappyFox](https://www.runsonwhat.com/reverse/happyfox) | Support & Docs | Custom domain | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records | | ## FAQ ### What tools does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use? As of November 2026, runsonwhat has found 17 tools at Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP (gdlsk.com) in public records. Edge & Hosting: Cloudflare and WP Engine. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: Microsoft 365 and Exclaimer. Last checked November 2, 2026. ### What cloud does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP run on? Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found WP Engine through a DNS verification record for WP Engine and code on gdlsk.com. WP Engine is used by 52,128 companies runsonwhat tracks. ### What sales tools does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use? The sales tools runsonwhat has found at Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP are Dealfront (November 2026); no CRM shows up in Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP's public records. runsonwhat found Dealfront through Dealfront code on gdlsk.com. Dealfront is used by 11,123 companies runsonwhat tracks. ### What email provider does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use? Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP uses Microsoft 365 for email and office software, alongside Exclaimer, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 730,241 companies runsonwhat tracks. ### What does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use for customer support? Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP uses HappyFox for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found HappyFox through a subdomain that points at HappyFox. HappyFox is used by 876 companies runsonwhat tracks. ### What analytics tools does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use? Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on gdlsk.com. Google Analytics is used by 903,757 companies runsonwhat tracks. ### Does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use jQuery? Yes. runsonwhat found jQuery at Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP through jQuery code on gdlsk.com. jQuery is a Frontend tool used by 927,166 companies runsonwhat tracks. ### Does Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP use AI tools? Yes. runsonwhat has found Anthropic at Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP may use more AI tools than these. ### Which companies have a tech stack similar to Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP's? The companies with the stacks most like Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP's are Bates Electric, Arizona Department Of Water Resources, Parktree Community Health Center and Safe Food Alliance, according to runsonwhat (November 2026). Each shares 8 to 10 tools with Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP uses? runsonwhat reads public records only. Of the 17 tools at Grunfeld Desiderio Lebowitz Silverman & Klestadt LLP, 11 were found through code on gdlsk.com, 3 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and gdlsk.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/gdlsk.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.